The great frigate can stay aloft for 56 days by riding natural updrafts.<p>Plenty of birds fly vast distances on their migratory trips around planet Earth. But the most amazing of all might the frigate bird, which can stay aloft for <i>two months</i> straight without landing or resting. How the heck do they …

With both the bird watching and butterfly spotting seasons underway, it's time to get your gear ready – and where better to start than with binoculars? They're essential for spotting butterflies hidden in trees and models with an ultra-close focusing function can help you to identify species you'd …